Home / 6,121.19-8,446.76-3,469.01

Finding the Fourth Proportional to 6,121.19, 8,446.76 and 3,469.01

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Solution

The fourth proportional to 6,121.19, 8,446.76 and 3,469.01 is: 4,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.19 : 8,446.76 = 3,469.01 : x
  2. Step 2: Convert to fraction form
    6,121.19/8,446.76 = 3,469.01/x
  3. Step 3: Cross multiply
    6,121.19x = 8,446.76 × 3,469.01
  4. Step 4: Simplify right side
    6,121.19x = 29,301,894.91
  5. Step 5: Solve for x
    x = 29,301,894.91/6,121.19
  6. Step 6: Final answer
    x = 4,786.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.